Below is a list of Greensburg LA zip codes. For your research we have also included Greensburg Area Code, Time Zone, UTC and the local Saint Helena County FIPS Code. Each Greensburg Louisiana zip code has a center Longitude / Latitude point (the Greensburg center is -90.670196533203 / 30.830200195312). For your convenience we have also indicated if that zip code in Greensburg observes Daylight Savings time.